Answer:
The Charlott's speed in m/s is 2.5 m/sec
Explanation:
Given : Charlott is running at a rate of 9 km/h.
We have to find the Charlott's speed in m/s.
Consider the given speed of Charlott is 9 km/h.
Since, 1 km = 1000 m
and 1 hour = 3600 sec
Therefore,
becomes,

Thus, The Charlott's speed in m/s is 2.5 m/sec